# Signal iOS SDK

**Canonical:** https://apis.io/apis/signal/signal-ios-sdk/  
**Provider:** Signal — https://apis.io/providers/signal/  
**Documentation:** https://github.com/signalapp/Signal-iOS

Signal iOS SDK is one of 14 APIs that [Signal](https://apis.io/providers/signal/) publishes on the [APIs.io](https://apis.io/) network. Tagged areas include iOS, Mobile, Messaging, Encryption, and Open-Source. The published artifact set on APIs.io includes API documentation.

Signal-iOS is the open-source iOS client for the Signal encrypted messaging platform. It delivers end-to-end encrypted messaging, voice calls, video calls, and group communications on iPhone and iPad devices. The application uses the libsignal protocol library for all cryptographic operations and connects to the Signal Server infrastructure for message delivery and synchronization.

## Machine-readable artifacts (2)

- **GitHub** — https://github.com/signalapp/Signal-iOS
- **Documentation** — https://github.com/signalapp/Signal-iOS

## Other Signal APIs (12)

- [Signal Protocol Specifications](https://apis.io/apis/signal/signal-protocol-specifications/)
- [Signal libsignal SDK](https://apis.io/apis/signal/signal-libsignal-sdk/)
- [Signal Android SDK](https://apis.io/apis/signal/signal-android-sdk/)
- [Signal Desktop SDK](https://apis.io/apis/signal/signal-desktop-sdk/)
- [Signal Accounts API](https://apis.io/apis/signal/signal-accounts-api/)
- [Signal Attachments API](https://apis.io/apis/signal/signal-attachments-api/)
- [Signal Certificates API](https://apis.io/apis/signal/signal-certificates-api/)
- [Signal Devices API](https://apis.io/apis/signal/signal-devices-api/)
- [Signal Keys API](https://apis.io/apis/signal/signal-keys-api/)
- [Signal Messages API](https://apis.io/apis/signal/signal-messages-api/)
- [Signal Profiles API](https://apis.io/apis/signal/signal-profiles-api/)
- [Signal Registration API](https://apis.io/apis/signal/signal-registration-api/)

## Tags

iOS, Mobile, Messaging, Encryption, Open-Source

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Profiled by [API Evangelist](https://apievangelist.com) and published on [APIs.io](https://apis.io/apis/signal/signal-ios-sdk/). The API's provider profile, Kin Score and agent-readiness rating are at https://apis.io/providers/signal/.